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Possible cheaper spare tire donut? 18" from e70 X5

26K views 68 replies 20 participants last post by  Edgy36-39 
#1 ·
The wheel is 18" and clears e9x M3 brakes so may fit our M5s without a spacer like it fits theirs! The hub is already 74.1mm so we don't need adapters like the e9x guys, see here:

Compact spare wheel/tire solution - BMW M3 Forum (E90 E92)



Wheel is $75 from Tischer:
BMW Parts - getBMWparts.com - Exceptional Pricing | Unparalleled Service | Genuine BMW Parts


Valve stem is $2.43:
BMW Parts - getBMWparts.com - Exceptional Pricing | Unparalleled Service | Genuine BMW Parts


the e9x guys use this spare:
Maxxis T135/70R18 104M M9500N (#TP10655100), $85 + $10 shipping + $12.50 mount & balance


total cost would be $185 + however much the tire costs today (that pricing is from 2009) so would be much less than the BimmerZone setup and may not require additional spacer

I am going to see if I can find any e90 guys in NJ that have it so I can test it on my M5 for us all
 
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#2 ·
I'm soon going to go to a square setup. If you're interested, I can sell you one front OEM Style 65 wheel with tire mounted to serve as a spare. $100 + shipping costs (which is probably ~$35 to NJ).
 
#3 ·
thanks I already have 2 extra fronts including the one I drag around as a spare... looking to regain some trunk space
 
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#6 ·
#9 ·
If I try to find someone outside of NY/NJ would one of you be willing to do the test fit? if so let me know your approx area and I'll see if I can find any e90 guys with the wheel in your area.

From the thread I saw guys in Oregon, Texas and Cali if my memory is correct
 
#16 ·
Me too because my car came with two extra fronts it wasn't worth 350 for a donut... But like you probably feel, it would be great to get some trunk space back from a full size spare to a donut!
 
#13 ·
Thank you Jeff and thank you for your service!
 
#14 ·
Ok is there any chance there is a member willing to do the test fit around McLean Virginia? Someone on M3Post has one he is willing to meet up and let us test fit it... Let me know, thanks!
 
#17 ·
anyone in DC / McLean area free to try to test fit the spare? found an e90 guy with one and he will let one of us stop by and try to test it the wheel for clearance check
 
#18 · (Edited)
Just ordered...

I have just placed an order for the X5 spare wheel (36-11-6-768-861) and I'll do a test fitment over my Stoptech brakes when it arrives and update this thread.

If it does, I'll get a tire mounted and update with that info, too.

Allen
 
#19 ·
The wheel arrived and I did a test fit over the rear since I already had the wheel off and it fit well with about an inch of clearance at the caliper. Have not tried out the front.

Will get a tire ordered and mounted in the near future.
 
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#21 ·
Not sure about the rotor size. I'd have to measure...
 
#25 ·
If you run a square setup, front clearance won't really matter. Swap a rear to the front and spare to the rear. It certainly would be easier, however, if the spare cleared the front stock and most of the popular BBK's.

Regards,
Jerry
 
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#31 ·
I have slotted rotors with stoptech calipers on the front and stock setup on the back.
 
#33 ·
Will do so this weekend at the latest.
 
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#34 ·
I took off one of my front wheels and found out the following:

1) I have slotted rotors that measure 14" in diameter.
2) The wheel fits over this rotor and StopTech caliper with less than an inch of clearance at the narrowest point.

I don't have calipers to do an exact measurement, but I would guess it's 2/3". I'd be nervous about a 17" wheel fitting.


Now I just need to get a tire for it...
 
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